de.lmu.ifi.dbs.elki.database.query.distance
Class AbstractDatabaseDistanceQuery<O,D extends Distance<D>>

java.lang.Object
  extended by de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery<O>
      extended by de.lmu.ifi.dbs.elki.database.query.distance.AbstractDistanceQuery<O,D>
          extended by de.lmu.ifi.dbs.elki.database.query.distance.AbstractDatabaseDistanceQuery<O,D>
Type Parameters:
O - Database object type.
D - Distance result type.
All Implemented Interfaces:
DatabaseQuery, DistanceQuery<O,D>
Direct Known Subclasses:
AbstractDatabaseDistanceFunction.Instance, AbstractIndexBasedDistanceFunction.Instance, DBIDDistanceQuery, MinKDistance.Instance

public abstract class AbstractDatabaseDistanceQuery<O,D extends Distance<D>>
extends AbstractDistanceQuery<O,D>

Run a database query in a database context.


Field Summary
 
Fields inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery
relation
 
Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery
HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE
 
Constructor Summary
AbstractDatabaseDistanceQuery(Relation<? extends O> relation)
          Constructor.
 
Method Summary
 D distance(DBID id1, O o2)
          Returns the distance between the two objects specified by their object ids.
 D distance(O o1, DBID id2)
          Returns the distance between the two objects specified by their object ids.
 D distance(O o1, O o2)
          Returns the distance between the two objects specified by their object ids.
 
Methods inherited from class de.lmu.ifi.dbs.elki.database.query.distance.AbstractDistanceQuery
distance, getDistanceFactory, infiniteDistance, nullDistance, undefinedDistance
 
Methods inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery
getRelation
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface de.lmu.ifi.dbs.elki.database.query.distance.DistanceQuery
getDistanceFunction, getRelation
 

Constructor Detail

AbstractDatabaseDistanceQuery

public AbstractDatabaseDistanceQuery(Relation<? extends O> relation)
Constructor.

Parameters:
relation - Relation to use.
Method Detail

distance

public D distance(O o1,
                  DBID id2)
Description copied from class: AbstractDistanceQuery
Returns the distance between the two objects specified by their object ids.

Specified by:
distance in interface DistanceQuery<O,D extends Distance<D>>
Specified by:
distance in class AbstractDistanceQuery<O,D extends Distance<D>>
Parameters:
o1 - first object
id2 - second object id
Returns:
the distance between the two objects specified by their object ids

distance

public D distance(DBID id1,
                  O o2)
Description copied from class: AbstractDistanceQuery
Returns the distance between the two objects specified by their object ids.

Specified by:
distance in interface DistanceQuery<O,D extends Distance<D>>
Specified by:
distance in class AbstractDistanceQuery<O,D extends Distance<D>>
Parameters:
id1 - first object id
o2 - second object
Returns:
the distance between the two objects specified by their object ids

distance

public D distance(O o1,
                  O o2)
Description copied from class: AbstractDistanceQuery
Returns the distance between the two objects specified by their object ids.

Specified by:
distance in interface DistanceQuery<O,D extends Distance<D>>
Specified by:
distance in class AbstractDistanceQuery<O,D extends Distance<D>>
Parameters:
o1 - first object
o2 - second object
Returns:
the distance between the two objects specified by their object ids

Release 0.4.0 (2011-09-20_1324)